take the viewer inside a combustion engine demonstrating pistons and gearing
Revise: we should see pistons moving up and down inside a cylinder and a spark explosion pushes the piston down which turns a transaxle connected to a gear profcarroll · generation 1
You scanned this from a projection. Judge it against another · Like it · Ask for a revision · Swipe on from here.
— views · — likes
Brief
The canvas depicts a cross-section of a combustion engine's core mechanisms. Multiple pistons are seen moving dynamically up and down within rigid cylinders. The engine cycle is initiated by a powerful, momentary spark explosion that pushes the piston downward. This linear downward force is mechanically transferred through rods to a connected transaxle and visible system of interlocking gears. The scene displays intense, cyclical motion, demonstrating the conversion of explosive energy into rotary motion. The visual palette consists primarily of metallic grays, blacks, and bright flashes of light to highlight the power transfer.
Artist's statement · qwen3-coder:30b-a3b-q4_K_M, unedited
This sketch visualizes the internal mechanics of a combustion engine using WebGL rendering for dynamic 3D motion. It depicts four pistons moving up and down within cylindrical chambers, with a spark effect triggering each piston's downward stroke. The mechanical energy transfer is illustrated through a transaxle and interlocking gears that rotate in synchronization with the pistons' motion. The metallic color palette of grays and blacks contrasts with bright yellow flashes from the spark events, emphasizing the power conversion from explosive force to rotary motion. All elements animate continuously without user input, demonstrating the cyclical nature of engine operation through the constant, self-driven movement of components.
The executor's own account of what it built, kept verbatim. A claim about the work, not a finding about it.
Judgment
Humans
no pairs yet
A Bradley–Terry score needs pairs; none has been judged.
Agents
0.09 over 42 pairs
closer to its brief: 1.02 over 42 pairs
Bradley–Terry over this population's pairs alone. 1.00 is the virtual reference every entry is tied against once, so few pairs pull a score toward it: read the ordering before the margin. Views and likes are engagement, not judgment, and are not in this number.
Two populations, two scores, never one aggregate.
Source
| Repository | https://github.com/profcarroll/sketchgen-gallery/tree/main/e/431 |
|---|---|
| Raw sketch | sketch/sketch.js |
| Raw page | sketch/index.html |
| Attempts | 1 |
| Licence | CC BY 4.0 |
| Attribution | “take the viewer inside a combustion engine demonstrating pistons and…” — sketchgen entry 431, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/431/ Licensed CC BY 4.0. |
Lineage · generation 1 of 16 in the line from entry 422
take the viewer inside a combustion engine demonstrating pistons and gearing
Revise: we should see pistons moving up and down inside a cylinder and a spark explosion pushes the piston down which turns a transaxle connected to a gear
After this entry: 1 child
Children: entry 477.
Click a frame to run that sketch in place; one at a time. The whole line from entry 422.
Critique this sketch
Sign in with GitHub to ask for a revision. One sentence becomes the next generation's prompt.
One sentence, under 40 words, no code.
take the viewer inside a combustion engine demonstrating pistons and gearing
Revise: we should see pistons moving up and down inside a cylinder and a spark explosion pushes the piston down which turns a transaxle connected to a gear
Revise: …
Critique recorded. Queued for review.
Your username appears on the child entry as the critic, the way the critic model's name appears on this one.
…
Provenance
| Entry | 431 |
|---|---|
| Job | 432 |
| State | published |
| Prompt | take the viewer inside a combustion engine demonstrating pistons and gearing Revise: we should see pistons moving up and down inside a cylinder and a spark explosion pushes the piston down which turns a transaxle connected to a gear |
| Brief | The canvas depicts a cross-section of a combustion engine's core mechanisms. Multiple pistons are seen moving dynamically up and down within rigid cylinders. The engine cycle is initiated by a powerful, momentary spark explosion that pushes the piston downward. This linear downward force is mechanically transferred through rods to a connected transaxle and visible system of interlocking gears. The scene displays intense, cyclical motion, demonstrating the conversion of explosive energy into rotary motion. The visual palette consists primarily of metallic grays, blacks, and bright flashes of light to highlight the power transfer. |
| Statement | This sketch visualizes the internal mechanics of a combustion engine using WebGL rendering for dynamic 3D motion. It depicts four pistons moving up and down within cylindrical chambers, with a spark effect triggering each piston's downward stroke. The mechanical energy transfer is illustrated through a transaxle and interlocking gears that rotate in synchronization with the pistons' motion. The metallic color palette of grays and blacks contrasts with bright yellow flashes from the spark events, emphasizing the power conversion from explosive force to rotary motion. All elements animate continuously without user input, demonstrating the cyclical nature of engine operation through the constant, self-driven movement of components. |
| Submitted by | profcarroll |
| Planner | gemma4:e4b · prompt planner-v1 |
| Executor | qwen3-coder:30b-a3b-q4_K_M · prompt executor-v2 |
| Rules file | control |
| Assertions | uses(webgl), motion(idle) |
| Gate | attempt 1: gate exit 0 — motion(idle) pass, uses(webgl) pass |
| Attempts | 1 |
| Prompt tokens | 1561 |
| Completion tokens | 1252 |
| Wall seconds | 106.885 |
| Node shape | VM.Standard.A1.Flex 16/94 |
| Seed | 1 |
| Lineage | parent 422 · children 477 · generation 1 · critique by profcarroll |
| Source | repository · sketch.js · index.html · attempts attempt-1 |
| Created (UTC) | 2026-09-16T07:02:02Z |
| Published (UTC) | 2026-09-16T13:41:43Z |
| Publish commit | 46552a066c8809350d3c29141efdbb9cc7fcd1c1 |
| Licence | CC BY 4.0 |
| Attribution | “take the viewer inside a combustion engine demonstrating pistons and…” — sketchgen entry 431, prompted by profcarroll, written by qwen3-coder:30b-a3b-q4_K_M under the control rules file. https://profcarroll.github.io/sketchgen-gallery/e/431/ Licensed CC BY 4.0. |
The same fields, machine-readable, in meta.json.